Scientists who say they discovered a vast city beneath Egypt's Giza pyramid have shared new details about the age of the ...

Lisa Sólrun Christiansen gets up at 4 a.m. most days and gets to work knitting thick wool sweaters coveted by buyers around ...

Greenland's changing climate also holds potential for the U.S.'s artificial intelligence ambitions. During a Feb. 12 Senate ...

The Mars Curiosity rover’s onboard mini-lab has helped confirm the existence of the largest organic molecules ever found on ...